View Compilation Error

0_0_38977672_13959.cpp: In function 'int main(int, char**)':
0_0_38977672_13959.cpp:52:5: error: 'scanf_s' was not declared in this scope
   52 |     scanf_s("%d", &N);
      |     ^~~~~~~
0_0_38977672_13959.cpp:87:5: error: 'printf' was not declared in this scope
   87 |     printf("%d", solution.MaxSum(nodes[root_idx]));
      |     ^~~~~~
0_0_38977672_13959.cpp:3:1: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
    2 | #include <vector>
  +++ |+#include <cstdio>
    3 |